/Engine/Source/Runtime/GeometryCore/Public/Implicit/Morphology.h
Set cell sizes to hit the target voxel counts along the max dimension of the bounds.
void SetCellSizesAndDistance ( [FAxisAlignedBox3d](API\Runtime\GeometryCore\FAxisAlignedBox3d) Bounds, double DistanceIn, int TargetInputVoxelCount, int TargetOutputVoxelCount )